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  1. JDK
  2. JDK-8211233

MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

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    • b16

    Backports

      Description

        I hit a bug where MemBarNode::leading_membar() doesn't return the right result because a dying part of the graph between a trailing and a leading membars is not properly handled.

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            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8230197 MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8243350 MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8260824 MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8261727 MemBarNode::trailing_membar() and MemBarNode::leading_membar() need to handle dying subgraphs better

            • P3 - Major loss of function.
            • Resolved
            relates to

            Enhancement - null JDK-8209420 Track membars for volatile accesses so they can be properly optimized

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8214857 "bad trailing membar" assert failure at memnode.cpp:3220

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-8257192 Integrate AArch64 JIT port into 8u

            • P3 - Major loss of function.
            • Resolved

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                roland Roland Westrelin
                roland Roland Westrelin
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